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Finding the Fourth Proportional to 114,005.88, 170,858.16 and 82,521.18

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Solution

The fourth proportional to 114,005.88, 170,858.16 and 82,521.18 is: 123,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,005.88 : 170,858.16 = 82,521.18 : x
  2. Step 2: Convert to fraction form
    114,005.88/170,858.16 = 82,521.18/x
  3. Step 3: Cross multiply
    114,005.88x = 170,858.16 × 82,521.18
  4. Step 4: Simplify right side
    114,005.88x = 14,099,416,975.83
  5. Step 5: Solve for x
    x = 14,099,416,975.83/114,005.88
  6. Step 6: Final answer
    x = 123,672.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.